Bedeutung von “shake sb up” — Learner’s Dictionary

shake sb up

phrasal verb with shake us uk /ʃeɪk/ verb past tense shook, past participle shaken

If an unpleasant experience shakes someone up, it makes them feel shocked and upset:

The accident really shook him up.

(Definition von “shake sb up” aus dem Cambridge Learner's Dictionary © Cambridge University Press)